-40%

Amperex 12AU7 ECC82 Balanced Very Strong Tests NOS+ Vacuum Tube - TV7 Tested

$ 14.79

  • Brand: Amperex
  • Country/Region of Manufacture: Netherlands
  • Custom Bundle: No
  • MPN: 12AU7
  • Model: 12AU7 ECC82
  • Modified Item: No
  • Seller Notes: “Tests NOS+ and balanced on Dan Nelson Calibrated/Upgraded TV7 Digital Meter”
  • Type: Preamp Tubes

Description

1x Amperex 12AU7 ECC82 Halo Getter Vacuum Tube - Very Strong, Tests NOS+ and balanced - Made in Holland TEST RESULTS: NO SHORTS, NO LEAKAGES, NO GAS Tube 1: Side 1: 99 = 2475 uMhos Transconductance(Gm) at 9.1 mA (Ia =Anode Plate Current) Side 2: 100 = 2500 uMhos Transconductance(Gm) at 9.4 mA (Ia =Anode Plate Current) For Reference: The Minimum good value for a ECC82/12AU7 tube tested on all TV7 versions is 56/56 = 1,400/1,400 uMhos Gm which is about 65% of life. 'Bogey': Factory Data Sheet NOS when new is 88/88 = 2,200/2,200 (μ℧ ) uMhos Transconductance (Gm) at 10.5/10.5 mA Anode Plate Current Dissipation. Our Test Set: Dan Nelson restored, upgraded and calibrated, TV7A/U with Digital Meter reading Transconductance in uMhos (Gm) and mA (Anode Plate Current). WE PACK VERY WELL FOR SAFE SHIPPING WORLDWIDE. WE SHIP FAST. MANY YEARS EXPERIECE SHIPPING FRAGILE TUBES AND VINTAGE ELECTRONI